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Income Taxes (Income before Income Taxes) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income (loss) from continuing operations before income taxes	$ (441)	$ (484)	$ (148)
Domestic [Member]
Income (loss) from continuing operations before income taxes	(441)	(484)	(148)
Foreign [Member]
Income (loss) from continuing operations before income taxes	$ 0	$ 0	$ 0

X

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

+ References

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